- Replaced kanban with task overview/summary view
- Added task stats cards (total, in progress, high priority, overdue)
- Added recent activity sections (updated, completed, high priority)
- Added quick action links to gantt-board
- Created lib/data/tasks.ts with data fetching functions
- Removed file-based storage (taskDb.ts, api/tasks/route.ts)
- Connected to gantt-board Supabase for real data
